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Search: id:A096358
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| A096358 |
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Integer part of the third nesting of the logarithmic integral of 10^n. |
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+0
1
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| 3, 7, 17, 52, 207, 999, 5537, 33753, 220283, 1513863, 10833986, 80107339, 608461893, 4726899406, 37431060563, 301327400284, 2460711991071, 20348626872625, 170149288404678, 1436870810843313
(list; graph; listen)
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OFFSET
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1,1
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FORMULA
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Let Li(n) = logarithmic integral of n. a(n) = Li(Li(Li(n)))
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PROGRAM
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(PARI) \p 100 f(n) = for(x=1, n, print1(floor(Li(Li(Li(10^x))))", ")) Li(x) = { -eint1(log(1/x)) }
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CROSSREFS
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Sequence in context: A071985 A090977 A014144 this_sequence A146147 A153758 A079634
Adjacent sequences: A096355 A096356 A096357 this_sequence A096359 A096360 A096361
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KEYWORD
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nonn
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AUTHOR
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Cino Hilliard (hillcino368(AT)gmail.com), Jun 30 2004
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